lesson 5

lesson_5/exercise_1.hpp

@@ -0,0 +1,29 @@
+#ifndef EXERCISE_1_HPP_
+#define EXERCISE_1_HPP_
+
+template <typename T>
+class Pair1
+{
+private:
+	T m_first;
+	T m_second;
+public:
+	Pair1(const T& first, const T& second) : m_first(first), m_second(second)	{ }
+
+	const T& first() const;
+	const T& second() const;
+};
+
+template <typename T>
+const T& Pair1<T>::first() const
+{
+	return m_first;
+}
+
+template <typename T>
+const T& Pair1<T>::second() const
+{
+	return m_second;
+}
+
+#endif

lesson_5/exercise_2.hpp

@@ -0,0 +1,29 @@
+#ifndef EXERCISE_2_HPP_
+#define EXERCISE_2_HPP_
+
+template <typename T1, typename T2>
+class Pair
+{
+private:
+	T1 m_first;
+	T2 m_second;
+public:
+	Pair(const T1& first, const T2& second) : m_first(first), m_second(second) { }
+
+	const T1& first() const;
+	const T2& second() const;
+};
+
+template <typename T1, typename T2>
+const T1& Pair<T1, T2>::first() const
+{
+	return m_first;
+}
+
+template <typename T1, typename T2>
+const T2& Pair<T1, T2>::second() const
+{
+	return m_second;
+}
+
+#endif

lesson_5/exercise_3.hpp

@@ -0,0 +1,14 @@
+#ifndef EXERCISE_3_HPP_
+#define EXERCISE_3_HPP_
+
+#include "exercise_2.hpp"
+
+template <typename T2>
+class StringValuePair : public Pair<std::string, T2>
+{
+public:
+	StringValuePair(const std::string& first, const T2& second) :
+		Pair<std::string, T2>(first, second) {}
+};
+
+#endif

lesson_5/exercise_4.hpp

@@ -0,0 +1,121 @@
+#ifndef EXERCISE_4_HPP_
+#define EXERCISE_4_HPP_
+
+#include <iostream>
+#include <vector>
+
+using namespace std;
+
+class Card
+{
+public:
+	enum rank {ACE = 1, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING};
+	enum suit {CLUBS, DIAMONDS, HEARTS, SPADES};
+
+	Card(rank r = ACE, suit s, bool ifu = true):  m_Rank(r), m_Suit(s), m_IsFaceUp(ifu) { }
+
+	int GetValue() const
+	{
+		int value = 0;
+		if (m_IsFaceUp)
+		{
+			value = m_Rank;
+			if (value > 10)
+				value = 10;
+		}
+		return value;
+	}
+
+	void Flip()
+	{
+		m_IsFaceUp = !m_IsFaceUp;
+	}
+
+	friend std::ostream& operator<<(std::ostream& s, const Card& aCard);
+
+private:
+	rank m_Rank;
+	suit m_Suit;
+	bool m_IsFaceUp;
+};
+
+class Hand
+{
+public:
+    Hand()
+    {
+    	m_Cards.reserve(7);
+    }
+
+    virtual ~Hand()
+    {
+    	Clear();
+    }
+
+    void Add(Card* pCard)
+    {
+    	m_Cards.push_back(pCard);
+    }
+
+    void Clear()
+    {
+    	std::vector<Card*>::iterator iter = m_Cards.begin();
+		for (iter = m_Cards.begin(); iter != m_Cards.end(); ++iter)
+		{
+			delete *iter;
+			*iter = nullptr;
+		}
+
+		m_Cards.clear();
+    }
+
+    int GetTotal() const
+    {
+    	if (m_Cards.empty() || m_Cards[0]->GetValue() == 0)
+    		return 0;
+
+		int total = 0;
+		std::vector<Card*>::const_iterator iter;
+
+		for (iter = m_Cards.begin(); iter != m_Cards.end(); ++iter)
+			total += (*iter)->GetValue();
+
+		bool containsAce = false;
+		for (iter = m_Cards.begin(); iter != m_Cards.end(); ++iter)
+			if ((*iter)->GetValue() == Card::ACE)
+				containsAce = true;
+
+		if (containsAce && total <= 11) total += 10;
+
+		return total;
+    }
+
+protected:
+    std::vector<Card*> m_Cards;
+};
+
+class GenericPlayer : public Hand
+{
+private:
+    friend ostream& operator<<(ostream& os, const GenericPlayer& aGenericPlayer);
+protected:
+    string m_Name;
+public:
+    GenericPlayer(const string& name = "") : m_Name(name) { }
+
+    virtual ~GenericPlayer();
+
+    virtual bool IsHitting() const = 0;
+
+    bool IsBusted() const
+    {
+    	return (GetTotal() > 21);
+    }
+
+    void Bust() const
+    {
+    	cout << m_Name << " перебор.\n";
+    }
+};
+
+#endif

lesson_5/main.cpp

@@ -0,0 +1,43 @@
+#include <iostream>
+#include "exercise_1.hpp"
+#include "exercise_2.hpp"
+#include "exercise_3.hpp"
+
+using namespace std;
+
+void ex_1();
+void ex_2();
+void ex_3();
+
+int main()
+{
+	ex_1();
+	ex_2();
+	ex_3();
+
+	return 0;
+}
+
+void ex_1()
+{
+	Pair1<int> p1(6, 9);
+	cout << "Pair: " << p1.first() << ' ' << p1.second() << '\n';
+
+	const Pair1<double> p2(3.4, 7.8);
+	cout << "Pair: " << p2.first() << ' ' << p2.second() << '\n';
+}
+
+void ex_2()
+{
+	Pair<int, double> p1(6, 7.8);
+	cout << "Pair: " << p1.first() << ' ' << p1.second() << '\n';
+
+	const Pair<double, int> p2(3.4, 5);
+	cout << "Pair: " << p2.first() << ' ' << p2.second() << '\n';
+}
+
+void ex_3()
+{
+	StringValuePair<int> svp("Amazing", 7);
+	std::cout << "Pair: " << svp.first() << ' ' << svp.second() << '\n';
+}